Standard Circular Connectors

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RM Miniature Circular Connectors

Hirose RM Miniature Circular Connectors are compact, rugged, and excellent in mechanical and electrical performance. Mechanically stable due to its rigid and simple construction, the RM Series is available in a variety of shell sizes. Hirose RM Miniature Circular Connectors meet the stringent demands of communication and electronic equipment.

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Types of Standard Circular Connectors

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.	Product	Contact Gender	Termination Style	Current Rating
Standard Circular Connector RM15TP-4SA(81) Hirose Connector 1: 23,21 € 131In Stock	Mfr. Part No. RM15TP-4SA(81) Mouser Part No 798-RM15TP-4SA81	Hirose Connector	Standard Circular Connector Learn More about Hirose Connector hirose rm connectors	Datasheet	131In Stock	23,21 € 20,65 € 19,34 € 18,42 € View 17,54 € 16,71 €	Min.: 1 Mult.: 1	Connectors	Socket (Female)	Solder	10 A
Standard Circular Connector RM12BRD-2PH(81) Hirose Connector 1: 8,05 € 5In Stock 60Expected 11/26/2026	Mfr. Part No. RM12BRD-2PH(81) Mouser Part No 798-RM12BRD-2PH81	Hirose Connector	Standard Circular Connector	Datasheet	5In Stock 60Expected 11/26/2026	8,05 € 6,52 € 6,20 € 6,02 € View 5,81 € 5,43 € 5,25 €	Min.: 1 Mult.: 1
Standard Circular Connector RM12BRD-3PH(81) Hirose Connector 1: 8,71 € 10In Stock 100Expected 11/26/2026	Mfr. Part No. RM12BRD-3PH(81) Mouser Part No 798-RM12BRD-3PH81	Hirose Connector	Standard Circular Connector	Datasheet	10In Stock 100Expected 11/26/2026	8,71 € 7,84 € 6,32 € 6,14 € View 5,92 € 5,67 € 5,52 € 5,36 €	Min.: 1 Mult.: 1
Standard Circular Connector CAP RM15TR-C(31) Hirose Connector 1: 10,69 € 46In Stock	Mfr. Part No. RM15TR-C(31) Mouser Part No 798-RM15TR-C31	Hirose Connector	Standard Circular Connector CAP Learn More about Hirose Connector hirose rm connectors	Datasheet	46In Stock	10,69 € 8,65 € 8,64 € 8,00 € View 7,71 € 7,22 € 7,01 €	Min.: 1 Mult.: 1	Accessories
Standard Circular Connector ROUND MINI SQUARE MNT FLANGE RM15TR-F(71) Hirose Connector 1: 3,44 € 124In Stock	Mfr. Part No. RM15TR-F(71) Mouser Part No 798-RM15TR-F(71)	Hirose Connector	Standard Circular Connector ROUND MINI SQUARE MNT FLANGE Learn More about Hirose Connector hirose rm connectors	Datasheet	124In Stock	3,44 € 2,96 € 2,92 € 2,73 € View 2,32 € 2,24 € 2,04 € 1,95 € 1,94 €	Min.: 1 Mult.: 1	Connectors		Solder
Standard Circular Connector RM 21Shell 15 Contacts RM21TR-15S(81) Hirose Connector 1: 36,17 € 4In Stock	Mfr. Part No. RM21TR-15S(81) Mouser Part No 798-RM21TR-15S(81)	Hirose Connector	Standard Circular Connector RM 21Shell 15 Contacts Learn More about Hirose Connector hirose rm connectors	Datasheet	4In Stock	36,17 € 30,74 € 28,82 € 27,44 € 27,16 €	Min.: 1 Mult.: 1	Connectors	Socket (Female)	Solder
Standard Circular Connector Hirose Connector RM15TRD-10P(81) RM15TRD-10P(81) Hirose Connector 1: 16,54 € 68In Stock 140Expected 3/30/2027	Mfr. Part No. RM15TRD-10P(81) Mouser Part No 798-RM15TRD-10P81	Hirose Connector	Standard Circular Connector	Datasheet	68In Stock 140Expected 3/30/2027	16,54 € 13,39 € 13,38 € 11,82 € 11,54 €	Min.: 1 Mult.: 1	Receptacles	Pin (Male)	Solder Cup	5 A
Standard Circular Contacts Contact M 1 POS Crim ST 1Terminal 1Port RM-PC-112 Hirose Connector 1: 0,49 € 781In Stock	Mfr. Part No. RM-PC-112 Mouser Part No 798-RM-PC-112	Hirose Connector	Standard Circular Contacts Contact M 1 POS Crim ST 1Terminal 1Port Learn More about Hirose Connector hirose rm connectors	Datasheet	781In Stock	0,49 € 0,417 € 0,372 € 0,353 € View 0,316 € 0,30 € 0,28 € 0,267 € 0,262 €	Min.: 1 Mult.: 1	Contacts	Pin (Male)	Crimp
Standard Circular Contacts Contact F 1 POS Crim ST 1Terminal 1Port RM-SC-112 Hirose Connector 1: 0,49 € 1.295In Stock	Mfr. Part No. RM-SC-112 Mouser Part No 798-RM-SC-112	Hirose Connector	Standard Circular Contacts Contact F 1 POS Crim ST 1Terminal 1Port	Datasheet	1.295In Stock	0,49 € 0,417 € 0,372 € 0,353 € View 0,307 € 0,281 € 0,279 € 0,274 €	Min.: 1 Mult.: 1	Contacts	Socket (Female)	Crimp	5 A
Standard Circular Connector ROUND MINI CBL BUSHING BAYONET LK RM12BPG-B(71) Hirose Connector 1: 2,30 € 152In Stock	Mfr. Part No. RM12BPG-B(71) Mouser Part No 798-RM12BPG-B(71)	Hirose Connector	Standard Circular Connector ROUND MINI CBL BUSHING BAYONET LK Learn More about Hirose Connector hirose rm connectors	Datasheet	152In Stock	2,30 € 1,95 € 1,75 € 1,65 € View 1,53 € 1,32 € 1,31 €	Min.: 1 Mult.: 1	Accessories
Standard Circular Connector 4 POS CIRCULAR CONNECTOR RM15QRD-4SA(81) Hirose Connector 1: 13,63 € 44In Stock	Mfr. Part No. RM15QRD-4SA(81) Mouser Part No 798-RM15QRD4SA81	Hirose Connector	Standard Circular Connector 4 POS CIRCULAR CONNECTOR Learn More about Hirose Connector hirose rm connectors	Datasheet	44In Stock	13,63 € 11,03 € 10,21 € 9,85 € 9,34 €	Min.: 1 Mult.: 1	Connectors	Socket (Female)	Solder
Standard Circular Connector RM21TP-15S(81) Hirose Connector 1: 47,83 € 7In Stock	Mfr. Part No. RM21TP-15S(81) Mouser Part No 798-RM21TP-15S81	Hirose Connector	Standard Circular Connector Learn More about Hirose Connector hirose rm connectors	Datasheet	7In Stock	47,83 € 40,65 € 37,63 € 37,20 € 36,86 €	Min.: 1 Mult.: 1	Connectors	Socket (Female)	Solder
Standard Circular Connector RM21TR-20S(81) Hirose Connector 1: 42,55 € 25In Stock	Mfr. Part No. RM21TR-20S(81) Mouser Part No 798-RM21TR-20S81	Hirose Connector	Standard Circular Connector Learn More about Hirose Connector hirose rm connectors	Datasheet	25In Stock	42,55 € 37,38 € 35,54 € 32,44 €	Min.: 1 Mult.: 1	Connectors	Socket (Female)		5 A
Standard Circular Connector CAP RM21TR-C(31) Hirose Connector 1: 9,27 € 6In Stock	Mfr. Part No. RM21TR-C(31) Mouser Part No 798-RM21TR-C31	Hirose Connector	Standard Circular Connector CAP Learn More about Hirose Connector hirose rm connectors	Datasheet	6In Stock	9,27 € 7,17 € 6,82 € 6,62 € View 6,39 € 5,98 € 5,70 €	Min.: 1 Mult.: 1	Accessories
Standard Circular Connector PLUG WP SCREW LK SILVER PLATED RM21WTP-CP(8)(71) Hirose Connector 1: 11,11 € 38In Stock	Mfr. Part No. RM21WTP-CP(8)(71) Mouser Part No 798-RM21WTPCP871	Hirose Connector	Standard Circular Connector PLUG WP SCREW LK SILVER PLATED	Datasheet	38In Stock	11,11 € 9,00 € 8,99 € 8,32 € View 8,02 € 7,50 € 7,31 €	Min.: 1 Mult.: 1	Accessories
Standard Circular Connector RM12BRD-4S(81) Hirose Connector 1: 10,40 € 2.738On Order	Mfr. Part No. RM12BRD-4S(81) Mouser Part No 798-RM12BRD-4S81	Hirose Connector	Standard Circular Connector	Datasheet	2.738On Order On Order Ship Dates Mfr. No: RM12BRD-4S(81) Stock: 0 On Order: 818 Expected 11/13/2026 1.920 Expected 12/3/2026 Factory Lead Time: 12 Weeks	10,40 € 8,18 € 7,94 € 7,66 € View 7,34 € 6,84 € 6,61 €	Min.: 1 Mult.: 1			Solder Cup
Standard Circular Connector RM12BPE-2PH(81) Hirose Connector 1: 18,22 € 573Expected 11/19/2026	Mfr. Part No. RM12BPE-2PH(81) Mouser Part No 798-RM12BPE-2PH81	Hirose Connector	Standard Circular Connector	Datasheet	573Expected 11/19/2026	18,22 € 14,98 € 14,34 € 14,17 € View 12,88 € 12,45 € 12,28 €	Min.: 1 Mult.: 1	Plugs	Pin (Male)	Solder	5 A
Standard Circular Connector RM15TRD-12S(81) Hirose Connector 1: 14,61 € 950On Order	Mfr. Part No. RM15TRD-12S(81) Mouser Part No 798-RM15TRD-12S81	Hirose Connector	Standard Circular Connector		950On Order On Order Ship Dates Mfr. No: RM15TRD-12S(81) Stock: 0 On Order: 330 Expected 1/11/2027 620 Expected 2/16/2027 Factory Lead Time: 10 Weeks	14,61 € 11,54 € 11,03 € 10,94 € View 10,22 € 9,86 € 9,85 €	Min.: 1 Mult.: 1
Standard Circular Connector RM15TRH-4SA(81) Hirose Connector 1: 14,57 € 160Expected 12/29/2026	Mfr. Part No. RM15TRH-4SA(81) Mouser Part No 798-RM15TRH-4SA81	Hirose Connector	Standard Circular Connector Learn More about Hirose Connector hirose rm connectors	Datasheet	160Expected 12/29/2026	14,57 € 11,79 € 11,22 € 10,90 € View 10,52 € 10,12 € 10,04 €	Min.: 1 Mult.: 1	Connectors	Socket (Female)	Solder	10 A
Standard Circular Connector RM12BRB-5S(81) Hirose Connector 1: 9,71 € 44Expected 12/3/2026	Mfr. Part No. RM12BRB-5S(81) Mouser Part No 798-RM12BRB-5S81	Hirose Connector	Standard Circular Connector	Datasheet	44Expected 12/3/2026	9,71 € 7,34 € 7,29 € 7,22 € View 7,02 € 6,57 € 6,42 € 6,09 € Quote	Min.: 1 Mult.: 1	Receptacles
Standard Circular Connector RM12BRB-6PH(81) Hirose Connector 1: 8,63 € 60Expected 11/13/2026	Mfr. Part No. RM12BRB-6PH(81) Mouser Part No 798-RM12BRB-6PH81	Hirose Connector	Standard Circular Connector	Datasheet	60Expected 11/13/2026	8,63 € 6,99 € 6,65 € 6,46 € View 6,24 € 5,82 € 5,67 €	Min.: 1 Mult.: 1	Receptacles
Standard Circular Connector RM12BRD-6PH(81) Hirose Connector 1: 8,48 € 180On Order	Mfr. Part No. RM12BRD-6PH(81) Mouser Part No 798-RM12BRD-6PH81	Hirose Connector	Standard Circular Connector	Datasheet	180On Order On Order Ship Dates Mfr. No: RM12BRD-6PH(81) Stock: 0 On Order: 60 Expected 12/3/2026 60 Expected 12/30/2026 60 Expected 12/31/2026 Factory Lead Time: 9 Weeks	8,48 € 6,86 € 6,53 € 6,12 € View 5,72 € 5,56 €	Min.: 1 Mult.: 1
Standard Circular Connector RM15WTPZ-10S(81) Hirose Connector 1: 25,16 € 1Expected 12/3/2026	Mfr. Part No. RM15WTPZ-10S(81) Mouser Part No 798-RM15WTPZ-10S81	Hirose Connector	Standard Circular Connector	Datasheet	1Expected 12/3/2026	25,16 € 23,91 € 23,17 € 21,22 € View 20,83 € 20,38 € 20,23 € Quote	Min.: 1 Mult.: 1
Standard Circular Connector RM21TP-20S(81) Hirose Connector 1: 52,33 € 10Expected 12/3/2026	Mfr. Part No. RM21TP-20S(81) Mouser Part No 798-RM21TP-20S81	Hirose Connector	Standard Circular Connector Learn More about Hirose Connector hirose rm connectors	Datasheet	10Expected 12/3/2026	52,33 € 44,48 € 41,16 € 40,89 € 40,67 €	Min.: 1 Mult.: 1	Connectors	Socket (Female)		5 A
Standard Circular Connector RM12BJB-7S(81) Hirose Connector 1: 16,13 € 70Expected 2/11/2027	Mfr. Part No. RM12BJB-7S(81) Mouser Part No 798-RM12BJB-7S81	Hirose Connector	Standard Circular Connector	Datasheet	70Expected 2/11/2027	16,13 € 13,06 € 12,44 € 12,08 € View 11,51 € 11,23 €	Min.: 1 Mult.: 1	Receptacles	Socket (Female)	Solder Cup	5 A